...nd Drug Administration,FDA)禁止氯霉素用于所有食品动物,世界上许多国家禁止此药用于食品源性动物(food-producing animal).并且规定了畜产品中氯霉素的最高残留限量(maximal residualleves,MR.t.s)为零。
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社会性动物 [动] social animal ; Elliot Aronson ; The Social Animal
广食性动物 [动] euryphagous animal
自发性动物模型 spontaneous animal model ; spontaneous diabetes animal model ; Spontaneous Animal Models
单食性动物 monophagous animals
狭食性动物 stenophagous animals
地方性动物病 endemia ; [兽医] enzootic ; endemics ; endemie
诱发性动物模型 experimental animal model ; Induced Animal Model
肉食性动物 flesh-eater ; carnivore ; Predator ; animal of prey
寄生性动物 parasitic animals
这种夜行性动物白天时隐藏在水底洞穴里,晚上才出来冒险,它们以小鱼、乌贼和章鱼为食。
The nocturnal animals hide in underwater caves by day, then venture out at night, feeding on small fish, squid, and octopus.
人类是社会性动物。
鲸作为社会性动物,可能需要大规模聚集的刺激来诱导繁殖行为。
Whales being sociable animals probably need the stimulus of sizeable gatherings to induce reproductives behavior.
He's sort of an innocent primitive, he appears unclothed he lives a free, peaceful life in harmony with the animals, with nature and the beasts, he races across the steppes with the gazelles.
他是一个未开化的野人,出现时身无寸缕,生活随性,和动物与自然和平相处,有时候甚至和羚羊赛跑,穿过草原。
So although it is controversial,
尽管动物实验具有争议性,
Now that seems counterintuitive now because we think that a plant based diet may be more healthy for people than a meat based diet, but remember, that we're fighting off overnutrition and these folks were fighting off undernutrition.
现在看来似乎并非如此,因为我们认为,对于人类来说,植物性饮食比以动物性饮食更为健康,但是请记住,我们正在对抗营养过剩,而这些人们正在和营养不良作斗争
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